A Grammatical Dictionary of Botanical Latin

Hydathode (Eng.noun): hydathodium,-ii (s.f.II), abl.sg. hydathodio, nom. & acc. pl. hydathodia, dat. & abl.pl. hydathodiis [on analogy with Arillodium although > Gk. (h)udor, water + (h)odos, a way], the water-pore of water-gland, an organ which extrudes water or other liquid; it resembles a stoma with functionless guard-cells (Jackson); a water-secreting gland found on the edges and tips of the leaves of many plants, such as ferns;

NOTE: the feminine gender (Stearn 1983).

NOTE: this word is not derived from words ending in -ode (English ending), q.v.

- margine folii atque hydathodis axillaribus magis prominentibus, with the margin of the leaf and also the axillary hydathodes more prominent.

- hydathodia praesentia, hydathodes present.

- hydathodi praesentes, nonnumquam cretacei (punta calcis albida efficientes); hydathodes present, sometimes cretaceous (producing whitish lime dots).

- hydathodi praesentes, cretacei, hydathodes present, cretaceous.

- venis prope marginem in hydathodia dilatata terminantibus, with the veins near the margin ending in dilated hydathodia.

- hyathodiis exudatum calcareum efferentibus, with hyathodes producing a calcareous exudate.

Guttation, the exudation of drops of fluid; the liquid discharge from a hydathode; “the exudation of moisture from an uninjured surface of a plant (as from a hydathode)” (WIII): guttatio,-onis (s.f.III), abl.sg. guttatione, nom. & acc. pl. guttationes.